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As noted, 20.2R1 might show as 19.4R1 upon booting.

Update for 2025: Juniper has transitioned to "vJunos-switch" (formerly vQFX). The 20.2R1.10 image has been moved to the "Legacy Archive" section. You may need to request archive access via a support ticket. Vqfx-20-2r1-10-re-qemu-qcow2 Download -2021-

You might ask: Why use a 2021 version when newer ones exist? As noted, 20

: Run the fix permissions command: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions . Appliance File : Use the vQFX appliance template ( .gns3a ). Vqfx-20-2r1-10-re-qemu-qcow2 Download -2021-

Juniper often hosts "vQFX" images for public trial on their GitHub repositories .

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Vqfx-20-2r1-10-re-qemu-qcow2 Hot! Download - -2021-

As noted, 20.2R1 might show as 19.4R1 upon booting.

Update for 2025: Juniper has transitioned to "vJunos-switch" (formerly vQFX). The 20.2R1.10 image has been moved to the "Legacy Archive" section. You may need to request archive access via a support ticket.

You might ask: Why use a 2021 version when newer ones exist?

: Run the fix permissions command: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions . Appliance File : Use the vQFX appliance template ( .gns3a ).

Juniper often hosts "vQFX" images for public trial on their GitHub repositories .